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| Naji, M. |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Casati, R. |
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| Azam, Siraj |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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Wiesner, Maciej
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Publications (7/7 displayed)
- 2022Above-room-temperature ferroelectricity and piezoelectric activity of dimethylglycinium-dimethylglycine chloridecitations
- 2015Ferroelastoelectric phase transition in (NH<inf>4</inf>)<inf>2</inf>CuCl<inf>4</inf>·2H<inf>2</inf>O single crystalcitations
- 2015Synthesis and characterization of magnetite/silver/antibiotic nanocomposites for targeted antimicrobial therapycitations
- 2014Pyroelectric, piezoelectric, elastic and dielectric properties of triglycine - Zinc chloride crystalcitations
- 2013Long time dependence of complex dielectric permittivity in triglycine-zinc chloride crystal below room temperature
- 2006A glass-like state in K4LiH3(SO4) 4 crystal
- 2006Low-temperature elastic and dielectric properties of K <inf>3</inf>Na(SO<inf>4</inf>)<inf>2</inf> crystalscitations
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article
Low-temperature elastic and dielectric properties of K <inf>3</inf>Na(SO<inf>4</inf>)<inf>2</inf> crystals
Abstract
<p>Elastic and dielectric properties of glaserite K<sub>3</sub>Na(SO <sub>4</sub>)<sub>2</sub> single crystal were examined using the method of composite oscillators, Brillouin light scattering methods and dielectric spectroscopy. Measurements were performed in the temperature range from 18 K to 300 K. Anomalies in the temperature dependencies of Brillouin shift and dielectric permittivity at about 70 K confirmed the earlier predicted phase transition at 75 ± 25 K. Temperature dependences of the resonance frequency of the vibrating composite oscillator, Brillouin shift measured in the [110] direction, components of dielectric permittivity tensor reveal an anomaly at about 50 K. Moreover, thermal hysteresis of the dielectric permittivity suggested the presence of an incommensurate state between T<sup>1</sup> = 50 K and T<sub>2</sub> = 70 K. © 2006 WILEY-VCH Verlag GmbH & Co. KGaA.</p>